SG71748A1 - Optical disc device and optical disc discriminating method - Google Patents

Optical disc device and optical disc discriminating method

Info

Publication number
SG71748A1
SG71748A1 SG1998000061A SG1998000061A SG71748A1 SG 71748 A1 SG71748 A1 SG 71748A1 SG 1998000061 A SG1998000061 A SG 1998000061A SG 1998000061 A SG1998000061 A SG 1998000061A SG 71748 A1 SG71748 A1 SG 71748A1
Authority
SG
Singapore
Prior art keywords
optical disc
discriminating method
disc device
disc discriminating
optical
Prior art date
Application number
SG1998000061A
Inventor
Eiji Kumagai
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of SG71748A1 publication Critical patent/SG71748A1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10305—Improvement or modification of read or write signals signal quality assessment
    • G11B20/10388—Improvement or modification of read or write signals signal quality assessment control of the read or write heads, e.g. tracking errors, defocus or tilt compensation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0906—Differential phase difference systems
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B7/1374—Objective lenses
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006—Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
SG1998000061A 1997-01-10 1998-01-06 Optical disc device and optical disc discriminating method SG71748A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9014777A JPH10198985A (en) 1997-01-10 1997-01-10 Optical disk device

Publications (1)

Publication Number Publication Date
SG71748A1 true SG71748A1 (en) 2000-04-18

Family

ID=11870494

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1998000061A SG71748A1 (en) 1997-01-10 1998-01-06 Optical disc device and optical disc discriminating method

Country Status (7)

Country Link
US (3) US6147941A (en)
JP (1) JPH10198985A (en)
KR (1) KR100488637B1 (en)
CN (2) CN1156827C (en)
GB (1) GB2321127B (en)
MY (1) MY136981A (en)
SG (1) SG71748A1 (en)

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WO1999040583A1 (en) * 1998-02-03 1999-08-12 Matsushita Electric Industrial Co., Ltd. Method of identifying type of disk
JPH11238245A (en) * 1998-02-24 1999-08-31 Sony Corp Photodetection signal processor
JPH11353785A (en) * 1998-06-03 1999-12-24 Sony Corp Discriminating device and discriminating method for optical disk
JP2000100059A (en) * 1998-09-18 2000-04-07 Mitsumi Electric Co Ltd Optical disk device
US6469965B1 (en) * 1998-10-02 2002-10-22 Sony Corporation Apparatus for and method of playing back optical disc
JP2000251301A (en) * 1999-02-25 2000-09-14 Sony Corp Optical pickup and optical disk device
JP2001023287A (en) * 1999-07-02 2001-01-26 Alps Electric Co Ltd Disk device
JP4578656B2 (en) * 1999-09-16 2010-11-10 三星電子株式会社 Error signal detector for optical recording / reproducing equipment
CN1258763C (en) * 2000-01-21 2006-06-07 索尼公司 Optical disk discriminating method and optical disk reproducing method and optical disk device
JP3818820B2 (en) * 2000-03-06 2006-09-06 パイオニア株式会社 Servo control device for optical disc player
JP4806839B2 (en) * 2000-07-19 2011-11-02 ソニー株式会社 Recording apparatus and recording method
JP3968984B2 (en) * 2000-10-05 2007-08-29 三菱電機株式会社 Optical disc playback apparatus and disc type discrimination method
AU2002228872A1 (en) * 2000-11-09 2002-05-21 Burstein Technologies, Inc. Disc drive system and methods for use with bio-discs
US6965433B2 (en) * 2000-11-16 2005-11-15 Nagaoka & Co., Ltd. Optical biodiscs with reflective layers
KR100396544B1 (en) * 2000-11-17 2003-09-02 삼성전자주식회사 Apparatus for detecting error signal in optical recording/reproducing system
AU2002241851A1 (en) * 2001-01-11 2002-07-24 Burstein Technologies, Inc. Optical disc analysis system including related methods for biological and medical imaging
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
JP2002260246A (en) * 2001-03-02 2002-09-13 Texas Instr Japan Ltd Optical disk discriminating circuit
JP4475833B2 (en) * 2001-03-02 2010-06-09 日本テキサス・インスツルメンツ株式会社 Mirror detection signal generation circuit
JP4449260B2 (en) * 2001-06-19 2010-04-14 ソニー株式会社 Laser diode drive circuit for optical disk recording / reproducing apparatus
US7221632B2 (en) * 2001-07-12 2007-05-22 Burstein Technologies, Inc. Optical disc system and related detecting methods for analysis of microscopic structures
JP3788504B2 (en) 2001-07-30 2006-06-21 船井電機株式会社 Optical disc discrimination method and optical disc apparatus
KR20030027437A (en) * 2001-09-28 2003-04-07 넥스필전자 주식회사 The optical disk the equipment which detects the fact that it curve
US20080094974A1 (en) * 2001-11-09 2008-04-24 Burstein Technologies, Inc. Optical disc system and related detecting methods for analysis of microscopic structures
KR100464413B1 (en) * 2002-04-30 2005-01-03 삼성전자주식회사 Method of discriminating the kinds of optical recording medium and Apparatus thereof
KR100846777B1 (en) * 2002-07-05 2008-07-16 삼성전자주식회사 Circuit of detecting mirror signal for optical disc apparatus and method thereof
KR100533747B1 (en) * 2003-02-04 2005-12-06 주식회사 히타치엘지 데이터 스토리지 코리아 Method for discriminating a type of optical disc
JP3871060B2 (en) * 2003-03-25 2007-01-24 株式会社リコー Optical recording medium and information recording method
TWI248075B (en) * 2003-08-29 2006-01-21 Mediatek Inc Judging method of optical medium
CN1977321A (en) * 2004-06-29 2007-06-06 皇家飞利浦电子股份有限公司 Method and system for generating a spherical aberration signal error
JP4672558B2 (en) * 2005-01-24 2011-04-20 パナソニック株式会社 Disc discriminating method and disc discriminating apparatus
WO2007029145A2 (en) * 2005-09-08 2007-03-15 Koninklijke Philips Electronics N.V. Parameter variation before closing radial control loop
KR20080002277A (en) * 2006-06-30 2008-01-04 삼성전자주식회사 Apparatus for distinguishing the kind of optical disc and method thereof
TW200807406A (en) * 2006-07-20 2008-02-01 Sunplus Technology Co Ltd Identification method for optical disk type
JP2008135086A (en) * 2006-11-27 2008-06-12 Matsushita Electric Ind Co Ltd Signal processor and optical disk reproducing device
US20080291802A1 (en) * 2007-05-21 2008-11-27 Yao-Lung Chuang Optical disc type determining apparatus and method thereof

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JPH0460927A (en) * 1990-06-27 1992-02-26 Pioneer Electron Corp Optical pickup
JPH05234107A (en) * 1992-02-18 1993-09-10 Sony Corp Optical pickup device and tracking error signal detecting method
US5592448A (en) * 1992-05-08 1997-01-07 Hitachi, Ltd. Access control apparatus for optical disk according change of track pitch
JPH0668506A (en) * 1992-08-21 1994-03-11 Sony Corp Optical disk reproduction device
JP4005150B2 (en) * 1994-04-28 2007-11-07 ソニー株式会社 Disk device
JP3287210B2 (en) * 1995-04-06 2002-06-04 ソニー株式会社 Optical recording medium playback device
JPH08329490A (en) * 1995-05-31 1996-12-13 Pioneer Electron Corp Tracking error signal generating device
KR0154736B1 (en) * 1995-08-07 1998-12-15 김광호 Minimization method of read-in-time in a reproducible multiple disk device
DE19536396A1 (en) * 1995-09-29 1997-04-03 Thomson Brandt Gmbh Playback and / or recording device for optical recording media of different storage densities

Also Published As

Publication number Publication date
CN1525450A (en) 2004-09-01
US6288988B1 (en) 2001-09-11
US6147941A (en) 2000-11-14
MY136981A (en) 2008-12-31
CN1189666A (en) 1998-08-05
GB9800114D0 (en) 1998-03-04
CN1156827C (en) 2004-07-07
GB2321127A (en) 1998-07-15
GB2321127B (en) 1999-03-17
KR100488637B1 (en) 2005-11-08
US6288987B1 (en) 2001-09-11
KR19980070444A (en) 1998-10-26
CN1279517C (en) 2006-10-11
JPH10198985A (en) 1998-07-31

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